A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses artificial graphite as well as a preparation method and application thereof. The preparation method of the artificial graphite comprises the following steps: carrying out heat treatment on a graphite raw material to obtain the artificial graphite; wherein the environment atmosphere for heat treatment is mixed gas of at least one of oxygen and water vapor and chemical inert gas; and in the heat treatment process, the graphite raw material is in a moving state. According to the preparation method of the artificial graphite provided by the embodiment of the invention, the heat treatment conditions of the graphite raw material, including the heat treatment atmosphere and the state of the graphite raw material, are controlled, and at least the surface of the graphite raw material is modified, so that the compaction density of the artificial graphite powder and the formed active layer is high. The artificial graphite can be used as a negative electrode active material and applied to negative electrodes and batteries.
本申请公开了一种人造石墨及其制备方法和应用。本申请实施例人造石墨的制备方法包括如下步骤：将石墨原料进行热处理，得到人造石墨；其中，热处理的环境气氛为包括氧气、水蒸气中的至少一种气体与化学惰性气体的混合气体；且在热处理过程中，所述石墨原料处于运动状态。本申请实施例人造石墨制备方法通过对石墨原料的热处理条件包括热处理的气氛和石墨原料的状态进行控制，实现至少对石墨原料表面进行改性处理，从而使得的人造石墨粉体本身和形成活性层压实密度高。本申请人造石墨可以作为负极活性材料和在负电极和电池中应用。
The invention discloses artificial graphite as well as a preparation method and application thereof. The preparation method of the artificial graphite comprises the following steps: carrying out heat treatment on a graphite raw material to obtain the artificial graphite; wherein the environment atmosphere for heat treatment is mixed gas of at least one of oxygen and water vapor and chemical inert gas; and in the heat treatment process, the graphite raw material is in a moving state. According to the preparation method of the artificial graphite provided by the embodiment of the invention, the heat treatment conditions of the graphite raw material, including the heat treatment atmosphere and the state of the graphite raw material, are controlled, and at least the surface of the graphite raw material is modified, so that the compaction density of the artificial graphite powder and the formed active layer is high. The artificial graphite can be used as a negative electrode active material and applied to negative electrodes and batteries.
本申请公开了一种人造石墨及其制备方法和应用。本申请实施例人造石墨的制备方法包括如下步骤：将石墨原料进行热处理，得到人造石墨；其中，热处理的环境气氛为包括氧气、水蒸气中的至少一种气体与化学惰性气体的混合气体；且在热处理过程中，所述石墨原料处于运动状态。本申请实施例人造石墨制备方法通过对石墨原料的热处理条件包括热处理的气氛和石墨原料的状态进行控制，实现至少对石墨原料表面进行改性处理，从而使得的人造石墨粉体本身和形成活性层压实密度高。本申请人造石墨可以作为负极活性材料和在负电极和电池中应用。
Artificial graphite as well as preparation method and application thereof
人造石墨及其制备方法和应用
2024-10-01
Patent
Electronic Resource
Chinese
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